FAQ: Can you explain the difference between color measurement and color data display?  

Answer:

Hunter Lab instruments are basically visible spectrophotometers optimized for the efficient measurement of industrial color.

The core measurement or data record is a spectral reflectance or transmittance measurement. This is dependent on the mode or optical path selected by the User and includes both instrument configuration and standardization.

When the data record is saved to a Job or database, the information saved is the spectral reflectance/transmittance, plus mode information defining the optical path of the instrument. This includes the selection of Reflectance Specular-Included (RSIN) Reflectance Specular-Excluded (RSEX), Total Transmittance (TTRAN), Regular Transmittance (RTRAN) defining where you measure the sample; the area of sample view and port diameter; UV Filter position and the date/time stamp for measurement. If you select a standard or sample data record in the Job Tree on the left, Right Click/Properties, you can see the mode information displayed.

When you recall a record in a Job, this spectral data record is recalled to the various data and plot views. These views just take the core signature record and reconfigure the spectral data into color scale displays or plots as configured by the User. There is spectral plot, spectral data, color plot and color data views that can be shown on the screen. So, the Color Data is a view that shows absolute and color difference values.

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